Pentax K-x vs Sony HX90V
69 Imaging
52 Features
47 Overall
50


91 Imaging
43 Features
63 Overall
51
Pentax K-x vs Sony HX90V Key Specs
(Full Review)
- 12MP - APS-C Sensor
- 2.7" Fixed Screen
- ISO 100 - 6400 (Push to 12800)
- Sensor based Image Stabilization
- 1/6000s Maximum Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 580g - 123 x 92 x 68mm
- Released December 2009
(Full Review)
- 18MP - 1/2.3" Sensor
- 3" Tilting Screen
- ISO 80 - 12800
- Optical Image Stabilization
- 1920 x 1080 video
- 24-720mm (F3.5-6.4) lens
- 245g - 102 x 58 x 36mm
- Announced April 2015

Pentax K-x vs Sony HX90V Overview
In this write-up, we will be reviewing the Pentax K-x versus Sony HX90V, one is a Entry-Level DSLR and the latter is a Small Sensor Superzoom by companies Pentax and Sony. There is a significant difference between the resolutions of the K-x (12MP) and HX90V (18MP) and the K-x (APS-C) and HX90V (1/2.3") enjoy different sensor size.

The K-x was unveiled 6 years earlier than the HX90V which is quite a sizable gap as far as tech is concerned. The two cameras offer different body type with the Pentax K-x being a Compact SLR camera and the Sony HX90V being a Compact camera.
Before diving in to a more detailed comparison, below is a short summation of how the K-x matches up against the HX90V in relation to portability, imaging, features and an overall mark.

Pentax K-x vs Sony HX90V Gallery
Here is a preview of the gallery images for Pentax K-x and Sony Cyber-shot DSC-HX90V. The full galleries are viewable at Pentax K-x Gallery and Sony HX90V Gallery.
Reasons to pick Pentax K-x over the Sony HX90V
K-x | HX90V |
---|
Reasons to pick Sony HX90V over the Pentax K-x
HX90V | K-x | |||
---|---|---|---|---|
Announced | April 2015 | ![]() | December 2009 | Newer by 64 months |
Screen type | Tilting | ![]() | Fixed | Tilting screen |
Screen sizing | 3" | ![]() | 2.7" | Bigger screen (+0.3") |
Screen resolution | 921k | ![]() | 230k | Crisper screen (+691k dot) |
Selfie screen | ![]() | Easy selfies |
Common features in the Pentax K-x and Sony HX90V
K-x | HX90V | |||
---|---|---|---|---|
Focus manually | ![]() | Dial exact focus | ||
Touch screen | ![]() | Lacking Touch screen |
Pentax K-x vs Sony HX90V Physical Comparison
For anybody who is looking to travel with your camera frequently, you'll need to consider its weight and volume. The Pentax K-x comes with outside dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs) and the Sony HX90V has sizing of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") accompanied by a weight of 245 grams (0.54 lbs).
Check the Pentax K-x versus Sony HX90V in the latest Camera and Lens Size Comparison Tool.
Bear in mind, the weight of an Interchangeable Lens Camera will change based on the lens you select at that time. Below is the front view measurement comparison of the K-x compared to the HX90V.

Taking into account size and weight, the portability score of the K-x and HX90V is 69 and 91 respectively.

Pentax K-x vs Sony HX90V Sensor Comparison
Usually, its difficult to visualize the contrast between sensor dimensions merely by reading specifications. The pic here should give you a greater sense of the sensor sizes in the K-x and HX90V.
Plainly, the 2 cameras offer different megapixel count and different sensor dimensions. The K-x using its bigger sensor is going to make achieving shallower depth of field simpler and the Sony HX90V will offer you more detail having an extra 6MP. Higher resolution will help you crop photographs a little more aggressively. The more aged K-x is going to be behind when it comes to sensor innovation.

Pentax K-x vs Sony HX90V Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-x vs Sony HX90V Specifications
Pentax K-x | Sony Cyber-shot DSC-HX90V | |
---|---|---|
General Information | ||
Brand | Pentax | Sony |
Model | Pentax K-x | Sony Cyber-shot DSC-HX90V |
Class | Entry-Level DSLR | Small Sensor Superzoom |
Released | 2009-12-23 | 2015-04-14 |
Body design | Compact SLR | Compact |
Sensor Information | ||
Processor Chip | Prime | Bionz X |
Sensor type | CMOS | BSI-CMOS |
Sensor size | APS-C | 1/2.3" |
Sensor dimensions | 23.6 x 15.8mm | 6.17 x 4.55mm |
Sensor area | 372.9mm² | 28.1mm² |
Sensor resolution | 12MP | 18MP |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 1:1, 4:3, 3:2 and 16:9 |
Full resolution | 4288 x 2848 | 4896 x 3672 |
Max native ISO | 6400 | 12800 |
Max boosted ISO | 12800 | - |
Minimum native ISO | 100 | 80 |
RAW support | ||
Autofocusing | ||
Manual focus | ||
Touch focus | ||
Continuous AF | ||
Single AF | ||
Tracking AF | ||
Selective AF | ||
Center weighted AF | ||
AF multi area | ||
AF live view | ||
Face detection focusing | ||
Contract detection focusing | ||
Phase detection focusing | ||
Number of focus points | 11 | - |
Lens | ||
Lens mounting type | Pentax KAF2 | fixed lens |
Lens focal range | - | 24-720mm (30.0x) |
Largest aperture | - | f/3.5-6.4 |
Macro focus range | - | 5cm |
Total lenses | 151 | - |
Crop factor | 1.5 | 5.8 |
Screen | ||
Screen type | Fixed Type | Tilting |
Screen diagonal | 2.7 inches | 3 inches |
Screen resolution | 230k dot | 921k dot |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Screen technology | TFT LCD monitor | - |
Viewfinder Information | ||
Viewfinder | Optical (pentamirror) | Electronic |
Viewfinder resolution | - | 638k dot |
Viewfinder coverage | 96 percent | 100 percent |
Viewfinder magnification | 0.57x | 0.5x |
Features | ||
Slowest shutter speed | 30s | 30s |
Maximum shutter speed | 1/6000s | 1/2000s |
Continuous shooting speed | 5.0 frames/s | 10.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Change WB | ||
Image stabilization | ||
Built-in flash | ||
Flash range | 16.00 m | 5.40 m (with Auto ISO) |
Flash modes | Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless | Auto, flash on, slow sync, flash off, rear sync |
External flash | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Maximum flash sync | 1/180s | - |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Video resolutions | 1280 x 720 (24 fps), 640 x 416 (24 fps) | 1920 x 1080 (60p, 60i, 30p, 24p), 1280 x 720 (30p) |
Max video resolution | 1280x720 | 1920x1080 |
Video data format | Motion JPEG | AVCHD, XAVC S |
Mic jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | None | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | BuiltIn |
Physical | ||
Environment seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 580g (1.28 pounds) | 245g (0.54 pounds) |
Dimensions | 123 x 92 x 68mm (4.8" x 3.6" x 2.7") | 102 x 58 x 36mm (4.0" x 2.3" x 1.4") |
DXO scores | ||
DXO All around score | 72 | not tested |
DXO Color Depth score | 22.8 | not tested |
DXO Dynamic range score | 12.5 | not tested |
DXO Low light score | 811 | not tested |
Other | ||
Battery life | 1900 images | 360 images |
Battery form | Battery Pack | Battery Pack |
Battery model | 4 x AA | NP-BX1 |
Self timer | Yes (2 or 12 sec) | Yes |
Time lapse recording | ||
Type of storage | SD/SDHC card | SD/SDHC/SDXC, Memory Stick Duo |
Storage slots | One | One |
Launch price | $600 | $440 |